The representatives of the division or the inspectors or agents of the United States department of agriculture/animal and plant health inspection service/veterinary services shall be authorized and empowered to enter any premises where swine are or have been kept, for the purpose of inspecting, testing, treating, or disinfecting swine, or inspecting, cleaning or disinfecting such premises for the purpose of controlling or eradicating hog cholera, pseudorabies, or any other infectious, contagious or communicable disease.